Title text:
Some people argue that the tension and compression in the human skeleton is technically tensegrity, but it's missing the defining characteristic: making people say 'wtf, how is that thing floating?' when they see it.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3190/
Once again XKCD sends me on a rabbit hole that still seems like black magic voodoo to me.